Devices designed to a human successfully imitate a bird by flapping the wings of the device were called

Write a short paragraph of about 150-300 words. explain how the physical environment can limit human activities.

Asap! ! ! western china, northern china and southeastern mongolia are all located in what climate zone? tropical wetdesert humid subtropical humid continental

In wegener’s evidence for continental drift, continents were proposed to fit together, such as the east coast of south america with the west coast of europe. east coast of africa. west coast of greenland. lower west coast of africa.